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1. Barkat/Murad bought equal numbers of 20-paisa and 30-paisa stamps. If the total cost of the stamps was Tk.10.00, what was the total number of stamps bought?
- A. 25
- B. 25
- C. 25
- D. 25
Answer: Option C
Explanation:
Let, x is the number of 20 - poisa stamps.
Then the number of 30 - poisa stamps is x too.
Note that 10 taka = 1000 poisa.
Therefore, we obtain the following equation -
20
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